Life Span
Perennial
Perennial
Type
Herbaceous Perennial
Perennial
Origin
Europe, Eastern Europe, Northern Europe, Southern Europe, Western Europe, Russia, Siberia, Mediterranean, Iraq, Iran, Western Asia
-
Types
-
Kniphofia uvaria
Number of Varieties
470
0
40000
👆🏻
Habitat
Temperate Regions, Wet lands
Damp Places, Marshy ground
USDA Hardiness Zone
4-86-9
0
99
👆🏻
AHS Heat Zone
8-3
9-4
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
90.00 cm45.70 cm
0
3900
👆🏻
Minimum Width
1,150.00 cm50.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Chocolate
Yellow, Red, Orange, Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Gray Green
Green, Blue Green
Leaf Color in Summer
Gray Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Gray Green, Dark Green, Yellow green
Blue Green, Gray Green, Light Yellow
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Sword-like
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Poorly Drained
Well drained
Bloom Time
-
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
From Rhizomes, Seedlings, Water-dispersed Seed
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Needs more water during establishment, Water Deeply, Water in morning to avoid prompting diseases, Water in the early morning hours
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Poorly Drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Bacteria, fungus, Viruses
Onion thrips, Red blotch, Root rot
Plant Tolerance
Drought
Drought, Moisture
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
Snails
Allergy
allergic reaction, Skin irritation
-
Uses
Aesthetic Uses
Beautification, Showy Purposes
Borders, Cottage Garden, Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
cathartic, Diarrhea
-
Part of Plant Used
Flowers, Rhizomes, Whole plant
-
Other Uses
Used in herbal medicines
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Water Gardens
Container, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
IRIS pseudacorus
KNIPHOFIA 'Border Ballet'
Common Name
Pale Yellow Iris, Yellow Flag, Yellow Iris
Tritoma, Wisley Blue Spring Starflower, Wisley Blue Springstar
In Hindi
Pale Yellow Iris
Tritoma
In German
Sumpf-Schwertlilie
Tritoma
In French
Iris pseudacorus
Tritoma
In Spanish
Iris pseudacorus
tritoma
In Greek
Pale Yellow Iris
tritoma
In Portuguese
Pale Yellow Iris
Tritoma
In Polish
Kosaciec żółty
Tritoma
In Latin
Pale Yellow Iris
Trytoma
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Asparagales
Family
Iridaceae
Liliaceae
Genus
Iris
Kniphofia
Clade
Angiosperms, Monocots
Angiosperms, Monocots
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
26072
1
27800
👆🏻